random allocation


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random allocation

In a clinical trial, the assignment of subjects or patients to treatment (or control) groups in an unpredictable fashion.
In a blinded study, assignment sequences are concealed, but can be disclosed in the event of adverse events.
References in periodicals archive ?
We surmise from the small size of the difference between the random allocation and logistic allocation of ATSI status that the diligent recording of demographic and geographic data by police for the courts is associated with more accuracy in recording ATSI status.
If the sample is more uneven than random allocation would imply, that is, if G [greater than] [G.
However, a number of limitations in these previous studies, including lack of random allocation and blinding, marked inequalities between groups, and treatment not based on consensus-based protocols, appeared to influence the validity of their results.
Weighted mean change in blood lead concentrations in children by random allocation to an intervention or control group, from baseline to follow-up.
Swift Sapphire's liking for dashes hardly ties in with his dam's preferences, but underlines the uncertainties of breeding and nature's random allocation of genes and abilities.
The random allocation of morning or afternoon closures could understandably annoy swimmers who are either retired or involved in shift work.
Interventions: Random allocation to visually identical placebo or active vaccine with two Beijing influenza strains, a Singapore influenza strain, and a Panama influenza strain.
Firstly focusing on reform progress in Bulgaria, it starts with criticism targeting the Supreme Judicial Council, the work of which "has continued to be subject to controversy, with several incidents in relation to appointments, dismissals or the control of the application by courts of the system of random allocation of cases.
Embryos were observed on day 2 and transfer was scheduled by random allocation into two groups based on availability of three good quality embryos:
Nature's random allocation of genes has made him more of a stayer than Unique Option, a sub-29 seconds winner over 525 yards in Ireland.
If we went back to the old days this would have been a purely random allocation based on serial numbers.
10) It involves assessing three dimensions of trial methodology that are important potential sources of significant bias: (1) the quality of the random allocation (ie, control of selection bias at entry), (2) the extent to which the primary analysis included every person entered into the randomized cohorts (ie, control of selection bias after entry), and (3) the extent to which those assessing outcomes were kept unaware of the group assignment of the individuals examined (ie, control of bias in assessing outcomes).

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